/* Tipografía y estructura general */
body {
    font-family: "Segoe UI", Roboto, Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: #f7f9fc;
    color: #333;
    line-height: 1.6;
}

.container {
    max-width: 850px;
    margin: 40px auto;
    padding: 0 20px;
}

/* Títulos */
h1 {
    font-size: 2.2rem;
    color: #1a3d6f;
    margin-bottom: 20px;
}

h2 {
    font-size: 1.5rem;
    color: #244a80;
    margin-top: 40px;
    margin-bottom: 10px;
}

/* Bloques destacados */
.box {
    background: #eef3fa;
    border-left: 4px solid #3a6fb0;
    padding: 18px 20px;
    margin: 25px 0;
    border-radius: 6px;
}

/* Listas */
ul {
    padding-left: 20px;
}

ul li {
    margin-bottom: 8px;
}

/* Enlaces */
a {
    color: #1a4f9c;
    text-decoration: none;
    font-weight: 600;
}

a:hover {
    text-decoration: underline;
}

/* Navegación inferior */
.related {
    background: #e9eef5;
    padding: 15px 20px;
    border-radius: 6px;
    margin-top: 40px;
}

.related ul {
    margin: 0;
}

/* Encabezado simple */
header {
    background: #1a3d6f;
    padding: 15px 20px;
}

header a {
    color: white;
    font-weight: 600;
    text-decoration: none;
    margin-right: 20px;
}

header a:hover {
    text-decoration: underline;
}

/* Pie de página */
footer {
    text-align: center;
    padding: 20px;
    color: #666;
    font-size: 0.9rem;
}